At the beginning of the film, Walter Whirtle's car has a "C" gas rationing sticker on the windshield. It was red in color and was the largest such gas rationing sticker as underneath the letter is a check-box list of 17 different professions entitled to use it - such as physicians, ministers, construction workers, and even embalmers.
Susan finds out that Jerry did not pay $1,000 for her engagement ring as he said. That amount would be the equivalent to nearly $13,500 in 2015.
Walter's car is a 1941 Oldsmobile 98 convertible coupe. MSRP was $1,227 ($20,000 in 2017). At auction, in excellent condition, these cars could fetch over $70,000 in 2016.
Based on the play "On the Hiring Line".
"The Screen Guild Theater" broadcast a 30 minute radio adaptation of the movie on July 17, 1944 with Jack Carson, Jane Wyman and Alan Hale reprising their film roles.